content: /*
   * Copyright 2017 David Karnok
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package hu.akarnokd.reactive4javaflow.impl.operators;
  
  import hu.akarnokd.reactive4javaflow.*;
  import hu.akarnokd.reactive4javaflow.processors.DirectProcessor;
  import org.junit.Test;
  
  import java.io.IOException;
  
  import static org.junit.Assert.assertFalse;
  import static org.junit.Assert.assertTrue;
  
  public class FolyamPublishTest {
  
      @Test
      public void standard() {
          TestHelper.assertResult(
                  Folyam.range(1, 5).publish(f -> f),
                  1, 2, 3, 4, 5
          );
      }
  
  
      @Test
      public void standardHidden() {
          TestHelper.assertResult(
                  Folyam.range(1, 5).hide().publish(f -> f),
                  1, 2, 3, 4, 5
          );
      }
  
      @Test
      public void error() {
          TestHelper.assertFailureComposed(-1,
                  f -> f.publish(v -> v), IOException.class
          );
      }
  
      @Test
      public void cancel() {
          DirectProcessor<Integer> dp = new DirectProcessor<>();
  
          TestConsumer<Integer> tc = dp.publish(v -> v).test();
  
          assertTrue(dp.hasSubscribers());
  
          tc.cancel();
  
          assertFalse(dp.hasSubscribers());
      }
  
      @Test
      public void cancelDisconnect() {
          DirectProcessor<Integer> dp = new DirectProcessor<>();
  
          TestConsumer<Integer> tc = dp.publish(v -> Folyam.range(1, 5)).test(0);
  
          assertTrue(dp.hasSubscribers());
  
          tc.cancel();
  
          assertFalse(dp.hasSubscribers());
      }
  
      @Test
      public void handlerCrash() {
          Folyam.range(1, 5)
                  .publish(f -> { throw new IOException(); })
                  .test()
                  .assertFailure(IOException.class);
      }
  
      @Test
      public void disconnectConditional() {
          DirectProcessor<Integer> dp = new DirectProcessor<>();
  
          TestConsumer<Integer> tc = dp.publish(v -> Folyam.range(1, 5))
                  .filter(v -> true)
                  .test();
  
          assertFalse(dp.hasSubscribers());
  
          tc.assertResult(1, 2, 3, 4, 5);
      }
  
      @Test
      public void concat() {
          Folyam.range(1, 5)
                  .publish(f -> f.take(3).concatWith(f.takeLast(3)))
                  .test()
                  .assertResult(1, 2, 3, 4, 5);
      }
  }
  